1
Foster B Stulen, Randolph Stewart, Chad P Boudreaux: Closed feedback control for electrosurgical device. Ethicon Endo Surgery, January 5, 2016: US09226767 (47 worldwide citation)

Various example embodiments are directed towards a system and method for closed feedback control of a robotically controlled electrosurgical instrument. In one embodiment, the method comprises applying at least one electrosurgical signal to an electrosurgical end effector a robotically controlled su ...


2
Jonathan T Batross, Gregory A Trees, Foster B Stulen, Randolph Stewart, Chad P Boudreaux: Lockout mechanism for use with robotic electrosurgical device. Ethicon Endo Surgery, May 3, 2016: US09326788 (36 worldwide citation)

A robotically controlled surgical tool including a lockout mechanism is provided. The surgical tool may comprise an instrument mounting portion. The instrument mounting portion includes a housing, a plate, a shaft assembly comprising an end effector, and a coupler to couple the shaft assembly to the ...


3
Gregory A Trees, Randolph Stewart, Wai T Chan, Thomas B Jackson: Trigger lockout mechanism. Ethicon Endo Surgery, April 19, 2016: US09314292 (19 worldwide citation)

A medical instrument includes a housing, an RF generation circuit activation button coupled to an activation button lever supported by the housing. The activation button lever includes a top surface, the activation button lever rotatable about an activation button pivot point. A cutting blade is ope ...


4
Foster B Stulen, Randolph Stewart, Chad P Boudreaux: Closed feedback control for electrosurgical device. Ethicon Endo Surgery, July 25, 2017: US09713507 (1 worldwide citation)

A robotic surgical system comprising a surgical instrument comprising an end effector comprising (i) a blade, (ii) a first jaw member including a first electrode, and (iii) a second jaw member including a second electrode. The robotic surgical system may also comprise a motor and a control circuit c ...


5
Randolph Stewart, Geoffrey S Strobl, Barry Worrell: Flexible neck for surgical instruments. Ethicon, Mintz Levin Cohn Ferris Glovsky and Popeo P C, January 8, 2019: US10172670

Methods and devices for allowing articulation of an end effector on a surgical instrument are provided. In one embodiment, a surgical device can include a flexible neck portion having an end effector coupled to a distal end thereof. The flexible neck portion is configured to bend to as to allow the ...